87 



Goniobasis bullula, Lea, Jour. Acad. Nat. Sci. v. pt. 3, p. 221, Mar., 1863. 

 Obs. ix. p. 43, t. 34, f. 5. 



267. G. excavata, Anthony.* 



Melanin excavata, Anthony, Ann. Lye. N. Y., vi. p. 99, t. 2, f. 18, Mar., 

 1854. Binney, Check List, No. 102. Brot, List, p. 32. Reeve, Monog. 

 Melania, sp. 385. 



268. G. purpurea, Lea. 



Melania purpurea, Lea, Proc. Acad. Nat. Sci. p. 120. 



Goniobasis purpurea, Lea, Jour. Acad. Nat. Sci. v. pt. 3, p. 225, t. 34, f. 12, 

 Mar., 1863. Obs. ix. p. 47. 



269. G. quadrivittata, Lea. 



Melania quadrivittata, Lea, Proc. Acad. Nat. Sci. 1861, p. 119. 

 Goniobasis quadrivittata, Lea. Jour. Acad. Nat. Sci. v. pt. 3, p. 226, Mar., 

 1863. Obs. ix. p. 48. 



270. G. p r o p r i a, Lea. 



Melania propria, Lea, Proc. Acad. Nat. Sci., p. 118, 1861. 

 Goniobasis propria, Lea, Jour. Acad. Nat. Sci., v. pt. 3, p. 229, t. 34, f. 21, 

 Mar., 1863. Obs. ix. p. 52. 



271. G. n eg at a, Lea. 



Goniobasis negata, Lea, Proc. Acad. Nat. Sci., p. 271, 1862. Jour. Acad. Nat. 

 Sci., v. pt. 3, p. 337, t. 38, f. 200, Mar. 1863. Obs. ix. p. 159. 



272. G. impressa, Lea. 



Melania impressa, Lea, Philos. Proc. ii. p. 83, Oct. 1841. Philos. Trans , ix. 



p. 19. Obs. iv. p. 19. Wheatley, Cat. Shells U. S., p. 25. Jay, Cat. 



Shells, p. 274. Binney, Check List, No. 143. Brot, List, p. 32. Reeve, 



Monog. Melania, sp. 316, 349. Hanley, Conch. Miscel. Melania, t. 8, f. 69. 

 Megara impressa, Lea, Chenu, Manuel i. f. 2023, Adams' Genera i. p. 306. 

 Melania crebristriata, Lea,f Philos. Proc. iv. p. 166. Philos. Trans., x. p. 65, 



t. 9, f. 47. Obs. iv p. 65. Binney, Check List, No. 75. Catlow, Conch. 



Nomenc., p. 186. Brot, List, p. 32. 

 Megara crebristriata, Lea, Adams' Genera i. p. 306. 



273. G. pergrata, Lea.J 



Melania pergrata, Lea, Proc. Acad. Nat. Sci., p. 122, 1861. 

 Goniobasis pergrata, Lea, Jour. Acad. Nat. Sci. v. pt. 3, p. 243, Mar., 1863. 

 Obs. ix. p. 65. 



274. G. c a p i 1 1 a r i s, Lea. 



Melania capillaris, Lea, Proc. Acad. Nat. Sci., p. 122, 1861. 

 Goniobasis capillaris, Lea, Jour. Acad. Nat. Sci. v. pt. 3, p. 236, t. 34, f. 34, 

 Mar., 1863. Obs. ix. p. 58. 



EURYCJELON, Lea. 

 Eurycsdon, Lea, Proc. Acad. Nat. Sci., p. 3, Jan., 1864. 



1. E. u m b o n a t a, Lea. 



Goniobasis umbonala, Lea, Proc. Acad. Nat. Sci., p. 3, 1864. 



2. E. Mi d a s, Lea. 



Melania Midas, Lea, Proc. Acad. Nat. Sci., p. 119, 1861. 

 Goniobasis Mida, Lea, Jour. Acad. Nat. Sci., v. pt. 3, p. 233, t 34, f. 28, 

 Mar., 1863. Obs. ix. p. 55. 



*Mr. Anthony's type specimen exhibits unmistakable evidence of diseased growth. 



fThe difference in the number of striae pointed out by Mr. Lea, is not a good distinctive charac- 

 ter ; they vary much in number on undoubted specimens of impressa. G. crebristriata if not foil 

 grown. 



JI fear thi is only a variety of impressa. 



